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How can I add a column that doesn't allow nulls in a Postgresql database?
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@allan.simon I've never used PostgreSQL before and I don't have it installed anywhere.
– Sean Bright
Oct 18 '15 at 19:50
2
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How do I get the key at a specific index from a Dictionary in Swift?
I have a Dictionary in Swift and I would like to get a key at a specific index.
10 Answers
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URL encoding in Android
How do you encode a URL in Android?
7 Answers
7
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How do you display a Toast from a background thread on Android?
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I'm not sure I understand how to do this. I have my existing public void run(). I tried putting this code there. I know that's not right because it didn't work, but I am really stuck.
– SwimBikeRun
Mar 4 '12 ...
Multi-Line Comments in Ruby?
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Every body mentioned this way
to have multiline comments.
The =begin and =end must be at the beginning of the line or
it will be a syntax error.
=end
puts "Hello world!"
<<-DOC
Also, you could create a docstring.
which...
DOC
puts "Hello world!"
"..is kinda ugly and creates
a String ...
Java ResultSet how to check if there are any results
... 14 '18 at 9:58
Thorbjørn Ravn Andersen
66.9k2828 gold badges163163 silver badges309309 bronze badges
answered Jul 25 '11 at 9:01
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Running karma after installation results in 'karma' is not recognized as an internal or external com
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The command line interface is in a separate package.
To install this use:
npm install -g karma-cli
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Resize UIImage by keeping Aspect ratio and width
...image by keeping aspect ratio. These functions uses the fixed points(Width and Height) for RECT while resizing. But in my project, I need to resize the view based on the Width alone, Height should be taken automatically based on the aspect ratio.
anyone help me to achieve this.
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String comparison using '==' vs. 'strcmp()'
...rns < 0 if str1 is less than str2; > 0 if str1 is greater than str2, and 0 if they are equal.
=== only returns true or false, it doesn't tell you which is the "greater" string.
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impro...
CSS Cell Margin
In my HTML document, I have a table with two columns and multiple rows. How can I increase the space in between the first and second column with css? I've tried applying "margin-right: 10px;" to each of the cells on the left hand side, but to no effect.
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